A pair of pear-shaped diamonds pendants. Photo: Christie's Images Ltd., 2010

Each weighing approximately 9.82 and 9.22 carats, mounted in platinum, with French assay marks and maker's marks (indistinct) - Estimate $400,000 - $600,000 Price Realized $614,500

With report 2125214876 dated 28 May 2010 from the Gemological Institute of America stating that the diamond, weighing approximately 9.82 carats, is I color, VS1 clarity; accompanied by a working diagram indicating that the clarity of the diamond may be potentially internally flawless

With report 2125214881 dated 1 June 2010 from the Gemological Institute of America stating that the diamond, weighing approximately 9.22 carats, is H color, VS1 clarity

Christie's. Jewels: The New York Sale Including the JAR Imperial Topaz, Ruby and Diamond Ear Pendants, The Bulgari Blue, Jeweled Elegance & the Vanderbilt Diamond Necklace, 20 October 2010, New York, Rockefeller Plaza www.christies.com